package com.ktjy.ch15.controller;

import com.ktjy.ch15.entity.Crop;
import com.ktjy.ch15.service.CropService;
import com.ktjy.ch15.utils.Page;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;

import java.util.HashMap;
import java.util.Map;

@Controller
@RequestMapping("/main/crop")
public class CropController extends BaseController {
    private static final Logger LOGGER = LoggerFactory.getLogger(CropController.class);

    @Autowired
    private CropService cropService;

    @RequestMapping("/page")
    public String page(Model model, Crop condition,
                       @RequestParam(value = "pageNo", defaultValue = "1") Integer pageNo,
                       @RequestParam(value = "pageSize", defaultValue = "5") Integer pageSize) {
        Page<Crop> page = null;
        try {
            // 查询用户的分页信息
            page = cropService.findPage(condition, pageNo, pageSize);
            // 查询所有的角色信息
            // 将分页数据、角色列表和查询条件设置到模型数据中
            model.addAttribute("pageInfo", page);
            model.addAttribute("condition", condition);
        } catch (Exception e) {
            LOGGER.error("CropController 中的 page 方法执行发生错误。 ", e);
            throw new RuntimeException(e);
        }
        return "crop/page";
    }

    @GetMapping("/save")
    public String toSave(Model model) {
        try {
            // 回显数据时需要 sysUser，这里给个空对象避免出错
            model.addAttribute("crop", new Crop());
        } catch (Exception e) {
            LOGGER.error("CropController中的toSave方法执行发生错误。", e);
            throw new RuntimeException(e);
        }
        return "crop/save";
    }

    @PostMapping("/save")
    public String doSave(Crop crop) {
            try {
                boolean ok =false;
                if(crop.getCropId()==null){//新增
                    ok = cropService.save(crop);
                }else{//修改
                    ok= cropService.update(crop);
                }

                if(ok){
                    //跳转到列表;重定向到分页方法
                    return redirect("/main/crop/page");
                }else{
                    //跳回新增页面
                    return "crop/save";
                }
            } catch (Exception e) {
                LOGGER.error("CropController 中的 save 方法执行发生错误。{} ",e);
                throw new RuntimeException(e);
            }
    }

    @GetMapping("/view/{cropId}")
    public String view(@PathVariable("cropId") Long cropId, Model model){
        Crop crop = null;
        try {
            crop = cropService.findById(cropId);
            model.addAttribute("crop", crop);
        } catch (Exception e) {
            LOGGER.error("CropController 中的 view 方法执行发生错误。 ", e);
            throw new RuntimeException(e);
        }
        return "crop/view";
    }

    @GetMapping("/edit")
    public String toEdit(@RequestParam("cropId") Long cropId, Model model) {
        Crop crop = null;
        try {
            crop = cropService.findById(cropId);
            // 回显数据时需要 supplier，这里给个空对象避免出错
            model.addAttribute("crop", crop);
        } catch (Exception e) {
            LOGGER.error("CropController 中的 toEdit 方法执行发生错误。 ", e);
            throw new RuntimeException(e);
        }
        return "crop/save";
    }

    @DeleteMapping("/del/{id}")
    @ResponseBody
    public Object del(@PathVariable("id") Long id) {
        Map<String,Object> map = new HashMap<String,Object>();
        try {
            boolean ok = cropService.delete(id);
            if (ok){
                map.put("code",200);
                map.put("msg","删除成功");
            }else {
                map.put("code",500);
                map.put("msg","删除失败");
            }
        }catch (Exception e){
            LOGGER.info("发生错误",e);
            map.put("code",500);
            map.put("msg","发生异常");
        }
        return map;
    }

    @GetMapping("/nameExist")
    @ResponseBody
    public Object nameExist(@RequestParam("cropName") String cropName) {
        Map<String,Object> map = new HashMap<>();
        try {
            Crop crop = cropService.findByCropName(cropName);
            if (crop != null){
                map.put("exist",1);
            }else {
                map.put("exist",0);
            }
        }catch (Exception e){
            LOGGER.error("CropController中的nameExists方法执行发生错误", e);
            map.put("exist",-1);
            map.put("error", "出现异常，请联系管理员处理！ ");
        }
        return map;
    }
}
